required by the evolve and high value-added economy and that doesn't just mean skills like math and science although we are lagging behind 30 or 40 other countries in the world in that regard. it also means skills associated with creativity and innovation because our edge as a country comes in the area where we can use our creativity but we also protect creativity in a way that places like china and others don't. in a content driven world, software driven world, that combination of creative people, a system that promotes and protect creativity is probably the real ace in the hole. >> host: let's take bob's comment and tie that to your previous book superclass. you have mentioned we are creating a class of people way up here and everyone else is being left behind in a sense. >> guest: the gap is growing between the ridges 1% and the rest of us. they have benefited more than anyone else in the course of the past week in years. most of the gains that have come with 90% of the gains that have come from the last expansion went to them. people at the bottom of society are more likely to stay ther